Window-ventilator



M. J. LEAHY.

WINDOW VENTILATOR.

APPLICATION FILED APR. 10, I920.

1,388,050. Patented Aug. 16,1921.

13-. Q mvass: 'zlNl Erox. Q I v 70 72 4 0 BY fi ATTORNEY. I

UNITED STATES:

PLATET onion.

MICHAEL J. LEAHY, or PHILADELPHIA, PENNSYLVANIA. 1 1

Application filed A ril '10,

T 0 all whom it may concern,

Be it known that I, MICHAEL J. LEAHY, a citizen of the United States,residing at Philadelphia, in the county of Philadelphia and State ofPennsylvania, have invented new and useful Improvements in Window-Ventilators, of which the following is; a.

ily positioned thereon or removed therefrom as the occasion requires. 7p

In the drawing forming part of this'specification like numerals ofreference indicate similar parts in the several views and wherein Figure1 is a front elevation of the ventilator showing the same mounted uponthe window casing.

Fig. 2 is a vertical sectional view taken on the line 2-2 of Fig. 1.

Fig. 3 is a horizontal sectional view taken on theline 3-3 of Fig. 1.

Fig. 4. is a perspective view of the ventilator removed from the window.

Fig. 5 is a fragmentary perspective view of the modified form of theinvention.

The ventilator forming the subject matter of my invention is made of twosections 10 and 11 respectively, each of which isidentical inconstruction with the other. Each section comprises a top and an endwall 13,

the top wall of the section 10 being slightly wider than thecorresponding wall of the section 11 and formed with grooves 14: whichslidably receive the adjacent edges of the section 11. In this manner,the sections 10 and 11 may be adjusted toward and away from each other,so that the ventilator as an entirety can accommodate itself to windowsof different widths. The outer edge of each section is formed withtongueand grooves 16 and 17 respectively for interfitting engagement with thetongue and groove 18 and 19 respectively of the window casing A. Inapplying the ventilator to a window, the sections can be moved towardeach other and the ventilator placed between the sides of the windowcasing, after Specification of Letters Patent. v

WINDOW-VENTILATOR.

1920. Serial No. 372,865.

Patented A11 is, 1921.

which the sections can be moved away from i each other until the tongueand grooves 16 and 17' respectively of the ventilator are fitted withinthe tongue and grooves of the wlndow casing. When so positioned upon thewindow, the top wall 12 of the ven-' tilator projects outwardly anddownwardly an appreciable distance beyond the window casing thuspermitting the use of the ventilator during rainy weather. The

end wall 13 of each section is provided with a slot 20 which receives apin or screw eye 21 projecting from the adjacent side of the windowcasing. The pin or screw eye 21 supports the ventilator upon the windowcasing as will be readily-understood. The ventilator can be readily andeasily removed from the windowrwhen desired,by bringing the sections 10and 11 toward each other disengaging the sections from the window caslngaswell as from the pin or screw eye 21. The device is extremely simplein construction andcan be manufactured and sold at a nominal cost.

In Fig. 5 I have illustrated a modified form of the invention, whereinone of the sections indicated at 11* is of the same cross sectionalconfiguration as the section 11 of the preferred formof the invention.The

device shown in Fig. 5 varies from the pre ferred form in that theendwall 13 forms an integral part of the section 11, the body of thissection being bent upon itself at one end as shown so as to dispose theend wall 13 in the same relation to the section as the end wall 13 ofthe preferred form of the invention. The section 11 is formed with thetongue and groove 16 and 17 respectively in interfitting engagement withthe tongue and groove of the window casing, while the end wall 13 isformed with the slot 20* to receive the pin or screw eye 21 J whichprojects from the adjacent side of the window casing.

While I have shown and described what I consider the preferredembodiment 'of the invention, I desire to have it understood that I donot limit myself to any details of construction, inasmuch as suchchanges may be resorted to when desired as fall within the scope of whatis claimed.

Having thus described my invention what I claim as new is 1. A windowventilator comprising slid-,

ably associated sections, each section including an end wall disposedinwardly of the outer end of the body of the section, and having anelongated slot, the projecting end portion of said section being formedto provide tongue and grooves for interfitting engagement With thetongue and grooves of the window casing, and means for holding theventilator in position upon the indow.

2. A Window ventilator comprising two sections, one section terminatingto provide channels to slidably receive the. other section, an end Wallon each section and arranged-inwardly of-the outer end thereof,

each end Wall having an elongated slot, the portionof the sectionprojecting beyond the end Wall being formed to provide tongue andgrooves for interfitting engagement with the tongue and grooves of theWindow casing, and means for holding the ventilator in position upon theWindow.

MICHAEL J. LEAHY.

